OCS 1005 : Test 1 Study Guide
15 Mar 2019
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Chapters 2 and 3: earth consists of three layers: the crust, the mantle, and the core. Test 1 study guide cools within the crust). The average thickness is about 35 kilometers. the upper mantle to a depth of about 200 kilometer. Lithospheric plates are the major components involved in plate tectonic movement. deep that may allow lateral movement of lithospheric plates and isostatic adjustments. crust). The average thickness is only about 8 kilometers: continental crust is composed mostly of the lower-density and light-colored, the crust extends from the surface to an average depth of about 30 kilometer. The crust is composed of relatively low-density rock (silicate minerals). There are two types of crust, oceanic and continental: oceanic crust underlies the ocean basins and is composed of the igneous, the core forms a large mass from 2885 kilometers to the center of earth at 6371 kilometers.
